[EN] THIOSEMICARBAZATES AND USES THEREOF<br/>[FR] THIOSEMICARBAZATES ET LEURS UTILISATIONS
申请人:FEINSTEIN INSTITUTES FOR MEDICAL RESEARCH
公开号:WO2020227592A1
公开(公告)日:2020-11-12
Thioesters, thiocarbamates, thiocarbazates, semithiocarbazates, peptides, aza-amino acid conjugates, and azapeptides; and a chemoselective and site-specific functionalization protocol of protected thiocarbazates and semithiocarbazates are described. The protocol features the use of Mitsunobu reaction to alkylate specifically the nitrogen atom close to the acylthiol moiety with alcohols to produce protected mono-substituted thiocarbazates that can be stored for months, activated under mild conditions at low temperature using halonium reagents and integrated orthogonally to make substituted semicarbazides that can be used, e.g., as synthons in synthesis of aza-amino acid conjugates, azapeptides and other peptidomimetics. Methods for preparing and using ureases, carbazides, semicarbazides, beta-peptides, azapeptides, and other peptidomimetics and azapeptide conjugates, and uses of ureases, carbazides, semicarbazides, beta-peptides, azapeptides in drug discovery, diagnosis, inhibition, prevention and treatment of diseases are also described.
巯
酯,
硫代
氨基甲酸酯,
硫代
氨基甲酸酯,半
硫代
氨基甲酸酯,肽,
氮代
氨基酸共轭物和
氮代肽;以及一种对受保护的
硫代
氨基甲酸酯和半
硫代
氨基甲酸酯进行
化学选择性和位点特异性功能化的方法被描述。该方法采用三
甲基脲反应特异性烷基化靠近酰
硫醇基团的
氮原子,使用醇生成可储存数月的受保护的单取代
硫代
氨基甲酸酯,在低温下使用卤化物试剂轻微条件下激活,并与其他基团正交集成以制备取代半
氨基甲酸酰胺,例如,可用作
氮代
氨基酸共轭物,
氮代肽和其他肽类模拟物的合成
中间体。还描述了制备和使用尿酶,卡巴
酰胺,半
氨基甲酸酰胺,β-肽,
氮代肽和其他肽类模拟物以及
氮代肽共轭物的方法,以及尿酶,卡巴
酰胺,半
氨基甲酸酰胺,β-肽,
氮代肽在药物发现,诊断,抑制,预防和治疗疾病中的用途。